Serum CCAT2 also distinguished AP patients from controls with AUC = 0.89, 95% CI = 0.827 to 0.956, P < 0.0001, with sensitivity = 80%, specificity = 87.5%, PPV = 66.66%, and NPV = 93.3% at a cutoff >8.8 fold. This evidence concerns the gene CCAT2 and alkaline phosphatase measurement.